18001001210101 has 8 divisors (see below), whose sum is σ = 22155078412544. Its totient is φ = 14242550407920.

The previous prime is 18001001210089. The next prime is 18001001210119. The reversal of 18001001210101 is 10101210010081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18001001210101 - 2²⁷ = 18000866992373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18001001210131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98906599965 + ... + 98906600146.

It is an arithmetic number, because the mean of its divisors is an integer number (2769384801568).

Almost surely, 2^{18001001210101} is an apocalyptic number.

It is an amenable number.

18001001210101 is a deficient number, since it is larger than the sum of its proper divisors (4154077202443).

18001001210101 is a wasteful number, since it uses less digits than its factorization.

18001001210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197813200131.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 18001001210101 its reverse (10101210010081), we get a palindrome (28102211220182).

The spelling of 18001001210101 in words is "eighteen trillion, one billion, one million, two hundred ten thousand, one hundred one".